CVE-2022-36663
Published: 06 September 2022
Summary
CVE-2022-36663 is a critical-severity SSRF (CWE-918) vulnerability in Gluu Oxauth. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 5.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
Gluu Oxauth before version 4.4.1 contains a blind server-side request forgery vulnerability tracked as CVE-2022-36663. The flaw resides in the handling of the request_uri parameter and is classified under CWE-918, with a CVSS 3.1 base score of 9.8 reflecting network-accessible attack complexity that requires no authentication or user interaction.
An unauthenticated remote attacker can supply a crafted request_uri value to induce the Oxauth server to issue arbitrary requests to internal or external resources. Successful exploitation can result in high impact to confidentiality, integrity, and availability of the affected system or adjacent services reachable from the server.
The vendor released Oxauth 4.4.1 to resolve the issue, as documented in the corresponding GitHub tag and the Gluu 4.4.1 announcement. The EPSS score has remained flat at 0.1638 with no material increase observed after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-6838
Vulnerability details
Gluu Oxauth before v4.4.1 allows attackers to execute blind SSRF (Server-Side Request Forgery) attacks via a crafted request_uri parameter.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing attempts server-side requests to internal resources, identifying SSRF weaknesses for remediation.
Outbound connections to external resources can be monitored and limited at the boundary, reducing SSRF impact.
Validates server-side URLs and resource references to block SSRF attempts.
Detects server-side request forgery through monitoring of unexpected outbound connections.